Physics, 24.11.2021 19:50 briannaalvarado256
A 25-tons freight car ran into another freight car of the same mass. The first moves at 2.7
m/s and the second moved towards the first at the speed 0.5 m/s. If the cars were coupled
together after the collision, what was their final speed?
Answers: 3
Physics, 21.06.2019 14:30
What is the approximate amplitude of this wave a.10 seconds b.15 centimeters c.30 centimeters d.15 seconds
Answers: 1
Physics, 22.06.2019 11:00
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
Physics, 22.06.2019 16:30
When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew
Answers: 1
A 25-tons freight car ran into another freight car of the same mass. The first moves at 2.7
m/s an...
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